LISP-Security (LISP-SEC)
draft-ietf-lisp-sec-05

Network Working Group                                           F. Maino
Internet-Draft                                                V. Ermagan
Intended status: Experimental                              Cisco Systems
Expires: April 24, 2014                                      A. Cabellos
                                       Technical University of Catalonia
                                                               D. Saucez
                                                                   INRIA
                                                          O. Bonaventure
                                        Universite Catholique de Louvain
                                                        October 21, 2013

                        LISP-Security (LISP-SEC)
                         draft-ietf-lisp-sec-05

Abstract

   This memo specifies LISP-SEC, a set of security mechanisms that
   provide origin authentication, integrity and anti-replay protection
   to LISP's EID-to-RLOC mapping data conveyed via mapping lookup
   process.  LISP-SEC also enables verification of authorization on EID-
   prefix claims in Map-Reply messages.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   time.  It is inappropriate to use Internet-Drafts as reference
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   This Internet-Draft will expire on April 24, 2014.

Copyright Notice

Maino, et al.            Expires April 24, 2014                 [Page 1]
Internet-Draft                  LISP-SEC                    October 2013

   Copyright (c) 2013 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Definition of Terms . . . . . . . . . . . . . . . . . . . . .   3
   3.  LISP-SEC Threat Model . . . . . . . . . . . . . . . . . . . .   4
   4.  Protocol Operations . . . . . . . . . . . . . . . . . . . . .   4
   5.  LISP-SEC Control Messages Details . . . . . . . . . . . . . .   7
     5.1.  Encapsulated Control Message LISP-SEC Extensions  . . . .   7
     5.2.  Map-Reply LISP-SEC Extensions . . . . . . . . . . . . . .   9
     5.3.  Map-Register LISP-SEC Extentions  . . . . . . . . . . . .  10
     5.4.  ITR Processing  . . . . . . . . . . . . . . . . . . . . .  11
       5.4.1.  Map-Reply Record Validation . . . . . . . . . . . . .  12
       5.4.2.  PITR Processing . . . . . . . . . . . . . . . . . . .  13
     5.5.  Encrypting and Decrypting an OTK  . . . . . . . . . . . .  13
     5.6.  Map-Resolver Processing . . . . . . . . . . . . . . . . .  14
     5.7.  Map-Server Processing . . . . . . . . . . . . . . . . . .  14
       5.7.1.  Map-Server Processing in Proxy mode . . . . . . . . .  15
     5.8.  ETR Processing  . . . . . . . . . . . . . . . . . . . . .  15
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
     6.1.  Mapping System Security . . . . . . . . . . . . . . . . .  16
     6.2.  Random Number Generation  . . . . . . . . . . . . . . . .  16
     6.3.  Map-Server and ETR Colocation . . . . . . . . . . . . . .  17
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  17
     7.1.  HMAC functions  . . . . . . . . . . . . . . . . . . . . .  17
     7.2.  Key Wrap Functions  . . . . . . . . . . . . . . . . . . .  17
     7.3.  Key Derivation Functions  . . . . . . . . . . . . . . . .  18
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  18